The vascular lab (VL) provides vital information for dialysis access to guide management.
This article discusses the indication, protocol, and diagnostic criteria for the evaluation
of arteriovenous fistulas and grafts. An arteriovenous (AV) dialysis access is made
by creating a connection between an artery and vein (AV fistula [AVF]) or by interposing
a conduit between an artery and a vein (AV graft [AVG]) to provide high flow circuit
for hemodialysis. A normal mature AV dialysis access has a thrill or vibration from
turbulent flow in the graft or vein. The nomenclatures at our institution for an AVF
and AVG are in the Figure 1 A and B diagrams.
Keywords
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References
Available at: https://www.cms.gov/medicare-coverage-database, Accessed July 27, 2022
- Duplex ultrasound evaluation of hemodialysis access: a detailed protocol.Int J nephrol. 2012; (Jan 1, 2012)
- Forecasting thrombosis of vascular access with Doppler color flow imaging.Am J kidney dis. 1992; 19: 554-557
Article info
Publication history
Published online: September 04, 2022
Footnotes
Disclosures: Hologic, Consultant; Pfizer, Speaker; Boston Scientific, Speaker.
Identification
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© 2022 Elsevier Inc. All rights reserved.
